MAIN PWR

rgalland·PC-Engine_CDR-30A_Schematics·Original_PCBs/MAIN_PWR/MAIN_PWR.kicad_pcb

About the MAIN PWR PCB

MAIN PWR is an open source PCB design by rgalland, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 131.5 × 128 mm, with 319 components from 81 distinct parts.

Other key parts include the CXA1081, CXA1082BQ, RC4558, BA6290A and CXD1167Q. By type, the board carries 181 resistors, 91 capacitors, 18 transistors, 15 ICs, 7 connectors and 5 diodes.

From the project

Schematics of the PC-Engine CD-ROM2 - Includes comments about differences between CDR-30A and the older CDR-30

Main components on the MAIN PWR

CXA1081 CXA1082BQ RC4558 BA6290A CXD1167Q D4364G D78C14GF D6378GF LC7881M RC4560 L7805 1951A

MAIN PWR bill of materials (BOM)

319 components, 81 distinct parts.

Qty	Part	Footprint	Refs
1	CXA1081	SOIC-30W_7.5x20.0mm_P1.27mm	IC101
1	CXA1082BQ	LQFP-48_12x12mm_P0.8mm	IC102
3	RC4558	SOIC-8_3.9x4.9mm_P1.27mm	IC103, IC203, IC204
2	BA6290A	TerminalBlock_TE_1-282834-2_1x12_P2.54mm_Horizontal	IC104, IC105
1	CXD1167Q	PQFP-100_14x20mm_P0.65mm	IC106
1	D4364G	SOIC-28W_7.5x17.9mm_P1.27mm	IC107
1	D78C14GF	PQFP-64_20x14mm_P1.0mm	IC108
1	D6378GF	PQFP-100_14x20mm_P0.65mm	IC109
1	LC7881M	SO-20_5.3x12.6mm_P1.27mm	IC201
1	RC4560	SOIC-8_3.9x4.9mm_P1.27mm	IC202
1	L7805	TO-220-3_Horizontal_TabDown	IC301
1	1951A	SOT-89-3	IC302
1	Q_PNP_Darlington_BCEC	SOT-89-3	Q101
3	DTC114EU3	SOT-23	Q102, Q105, Q207
6	2SC2412K	SOT-23	Q103, Q104, Q201, Q202, Q305, Q307
2	DTA124EU3	SOT-23	Q203, Q204
6	Q_NPN_BEC	SOT-23	Q205, Q206, Q208, Q209, Q601, Q602
1	Conn_01x04_Socket	TE_84952-4_1x04-1MP_P1.0mm_Horizontal	CN101
1	Conn_01x12_Socket	TE_1-84953-2_1x12-1MP_P1.0mm_Horizontal	CN102
1	Conn_01x10	JST_ZE_B10B-ZESK-1D_1x10_P1.50mm_Vertical	P101

Show 61 more

Qty	Part	Footprint	Refs
1	Conn_01x11	JST_ZE_B11B-ZESK-1D_1x11_P1.50mm_Vertical	P102
3	Conn_01x02	JST_ZE_B02B-ZESK-1D_1x02_P1.50mm_Vertical	P105, P106, P107
2	AudioJack3	Jack_3.5mm_CUI_SJ1-3533NG_Horizontal	JK1, JK101
1	D_AAK	SOT-89-3	D101
2	D_Dual_CommonAnode_KKA	SOT-23	D104, D203
2	D_Dual_CommonCathode_AAK	SOT-23	D105, D106
11	100uF	CP_Elec_5x5.4	C101, C122, C136, C149, C201, C202, C226, C229 +3
2	3.3uF	CP_Elec_4x5.4	C102, C117
2	4.7nF	C_0603_1608Metric	C103, C106
5	33nF	C_0603_1608Metric	C104, C221, C222, C227, C228
30	?	C_0603_1608Metric	C105, C110, C111, C112, C115, C116, C118, C119 +22
2	10nF	C_0603_1608Metric	C107, C109
2	470nF	C_0603_1608Metric	C108, C131
2	33uF	CP_Elec_5x5.4	C113, C114
7	4.7uF	CP_Elec_4x5.4	C127, C215, C216, C219, C220, C223, C224
2	22uF	CP_Elec_5x5.4	C129, C200
5	C	C_0603_1608Metric	C137, C138, C154, C155, C158
1	1uF	C_0603_1608Metric	C139
3	100nF	C_0603_1608Metric	C142, C143, C153
1	47uF	CP_Elec_5x5.4	C159
2	47pF	C_0603_1608Metric	C203, C204
2	10uF	CP_Elec_4x5.4	C205, C206
4	47nF	C_0603_1608Metric	C207, C208, C211, C212
2	15nF	C_0603_1608Metric	C209, C210
4	2.2nF	C_0603_1608Metric	C213, C214, C217, C218
2	470uF	CP_Elec_8x10.5	C300, C301
1	10	R_0603_1608Metric	R101
7	1k	R_0603_1608Metric	R102, R120, R170, R222, R223, R302, R305
2	20k	R_0603_1608Metric	R103, R129
3	22k	R_0603_1608Metric	R104, R210, R211
35	10k	R_0603_1608Metric	R105, R106, R108, R119, R121, R123, R128, R137 +27
10	100k	R_0603_1608Metric	R107, R112, R116, R124, R125, R138, R163, R166 +2
1	6.8k	R_0603_1608Metric	R109
1	150k	R_0603_1608Metric	R110
2	220k	R_0603_1608Metric	R111, R113
1	270k	R_0603_1608Metric	R114
15	33k	R_0603_1608Metric	R115, R132, R133, R134, R136, R142, R143, R144 +7
6	2k2	R_0603_1608Metric	R117, R171, R172, R173, R174, R501
1	510k	R_0603_1608Metric	R118
4	47k	R_0603_1608Metric	R122, R169, R204, R205
1	240k	R_0603_1608Metric	R126
1	3.6k	R_0603_1608Metric	R127
3	1M	R_0603_1608Metric	R130, R216, R217
1	56k	R_0603_1608Metric	R131
1	560	R_0603_1608Metric	R160
10	3k3	R_0603_1608Metric	R162, R167, R505, R506, R507, R508, R509, R510 +2
1	68k	R_0603_1608Metric	R165
26	4.7k	R_0603_1608Metric	R175, R176, R177, R178, R179, R180, R181, R182 +18
2	5k1	R_0603_1608Metric	R202, R203
2	120k	R_0603_1608Metric	R206, R207
2	15k	R_0603_1608Metric	R208, R209
2	1k6	R_0603_1608Metric	R212, R213
2	680	R_0603_1608Metric	R214, R215
2	22	R_0603_1608Metric	R218, R219
2	8k2	R_0603_1608Metric	R226, R228
16	220	R_0603_1608Metric	R236, R237, R500, R503, R504, R515, R519, R520 +8
2	180k	R_0603_1608Metric	R240, R241
2	6k8	R_0603_1608Metric	R242, R243
2	820	R_0603_1608Metric	R244, R245
8	0	R_0603_1608Metric	R247, R248, R249, R514, R516, R528, R533, R534
4	100	R_0603_1608Metric	R517, R518, R527, R531

MAIN PWR design files

The KiCad project lives in the rgalland/PC-Engine_CDR-30A_Schematics repository on GitHub; these links point at the commit this page was built from.

LayoutOriginal_PCBs/MAIN_PWR/MAIN_PWR.kicad_pcb
SchematicOriginal_PCBs/MAIN_PWR/MAIN_PWR.kicad_sch

MAIN PWR: common questions

How big is the MAIN PWR PCB?

The MAIN PWR measures 131.5 × 128 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the MAIN PWR?

319 components, from 81 distinct parts. The full bill of materials is listed on this page.

Where can I download the MAIN PWR design files?

From the rgalland/PC-Engine_CDR-30A_Schematics repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MAIN PWR design in my own project?

Yes, under the terms of its GPL-3.0 license, which rgalland chose for the repository.